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| SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1962 By Helmuth Wedow, Jr. and other* UNITED...SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1952 By Helmuth Wedow, Jr. and others This report...SUMMARY OF RECONNAISSANCE FOR URANIUM AND THORIUM IN ALASKA, 1952 CONTENTS Page Page Abstract .............Description of investigations .................. Lower Yukon-Kuskokwim region, by W. S. West ........................ Marshall area ................... Southern Kaiyuh Mountains ........ Koyukuk-Chandalar region |
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| DIRECTOR BULLETIN 532 ^ -J 4 THE KOYUKUK-CHANDALAR REGION ALASKA BY A. G. MADDREN WASHINGTON GOVERNMENT..._-___ Yukon Flats_____________ _______________ Hodzana highland 7 9 11 11 11 11 13 Koyukuk Flat and...Orenzik, Hodzana, and Dall rivers __ __________ Koyukuk drainage basin_ _ Tributary streams _____________..._ South Fork of the Koyukuk and tributaries__________ Middle Fork of the Koyukuk and tributaries________...___ Dall River area__________________________ Koyukuk-Chandalar area_______________________ General |
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| RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA 1952 This report concerns work done on behalf...RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN ALASKA 1952 By Arthur E. Nelson, Walter S. West, and John...Survey, Washington 25, D. C. 1 MINERAL POINT AREA 2 INDIAN GROUP PROSPECT 3 SILVER CREEK PROSPECT...PROSPECT 5 NABESNA MINE 6 ORANGE HILL 7 CHISANA DISTRICT (we fig. 2) 6 HOPE CREEK AREA (IM fig. 3) 9...HOT SPRINGS AREA (»e fig. 4) 10 CHANDALAR MINING DISTRICT (we fig. 5) 11 GOLD BENCH 12 FOKTYMILE |
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| ROCKS AND PLACER CONCENTRATES FROM NORTHEASTERN ALASKA By Max G. White • • UNITED STATES DEPARTMENT...ROCKS AND PLACER CONCENTRATES FROM NORTHEASTERN ALASKA By Max G. White This report concerns work done...ROCKS AND PLACER CONCENTRATES FROM NORTHEASTERN ALASKA CONTENTS Page Page Part 1. Radioactivity in gneissic...gneissic granite oJ the Mount Michelson area, northeastern Alaska Abstract . . . . . . . . . . . . . • ...Discussion of data.......... . Wiseman district . . . . . . . Chandalar district . . • . . . Conclusions . . . |
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| KOYUKDK-CHANDALAR GOLD REGION. By A. G. MADDREN. INTRODUCTION. LOCATION AND EXTENT. The placer-gold districts...districts of the Koyukuk and Chandalar valleys are situated toward the heads of those valleys, between 67° and...mountain system that -forms the Yukon-Arctic divide across northern Alaska, and are noteworthy as constituting...constituting one of the most northerly gold-mining regions in the world. (See PI. VII.) The same formations...formations occur in both valleys in the sections where gold has been found. The kinds of rocks and their relations |
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| RECONNAISSANCE IN NORTHERN ALASKA ACROSS THE ROCKY MOUNTAINS, ALONG KOYUKUK, JOHN, ANAKTUVUK, AND COLVILLE......................................... On the Koyukuk......................................................---..:---....--------------------.....--. Koyukuk province.........................-----....................................-.....-...-.... 76 Koyukuk series (Lower Cretaceous)........................-----...-..----..-....----.-.-..--................ Gold...........---.-.-.---.-...---..-.-----.-.--..-- |
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| OF THE NOBTHEKN KOYUKUK VALLEY, ALASKA BY ROBERT MARSHALL Mineral resources of Alaska, 1931 (Pages 247-256)...drainage in northern Koyukuk region__.____._ Page 252 RECONNAISSANCE OF THE NORTHERN KOYUKUK VALLEY By ROBERT...conducting investigations of the mineral resources of Alaska, about one half of the Territory has been surveyed...the headwater region of the Koyukuk River, the large tributary of the Yukon from the north that rises in...into the Arctic Ocean. Surveys of parts of the Koyukuk region have been made by the Geological Survey |
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| GEOLOGICAL SURVEY GEOLOGIC AND GRADE-VOLUME DATA ON 330 GOLD PLACER DEPOSITS By G. J. Orris and J. D. Bliss...account for a large portion of the total production of gold. If fossil placers such as the Witwatersrand are...the world's gold has been produced from placer deposits (Boyle, 1979). and volumes, gold Information...production and reserve grades source, fineness, mining methods, other economic commodities and general...is useful for analyzing the roles genetics and mining method have on placer grades and volumes. Deposits |
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| Placer Deposits of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1374 An inventory of the...the placer mines and prospects of Alaska, their history and geologic setting UNITED STATES GOVERNMENT...and method of presentation __ Definitions _-____ Alaska Peninsula region Aleutian Islands region ________...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina |
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| OTIS SMITH, DIKECTOB 4:4:2 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1909 ...The mining industry in 1909, by Alfred H. Brooks........................... Page. 5 20 Alaska coal...Charles A. Davis................ 101 Mining in southeastern Alaska, by Adolph Knopf......................reconnaissance in southeastern Alaska, by John C. Hoyt. Mining in the Chitina district, by Fred H. Moffit............................... Mining and prospecting on Prince William Sound, in 1909, by U. S. Grant.... |
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| ON AN APPRAISAL OF THE URANIUM POSSIBILITIES OF ALASKA* By Helmuth Wedow9 Max G 0 White, and Robert M0...authors 7 opinions of the uranium possibilities of Alaska through March 1951 S the date of the completion...Peninsula-Kobuk region ............ York district .................. Lost River area .............. Brooks Mountain...... Uranium possibilities of the York district . Nome district .................. . Uranium- possibilities...possibilities ........... Council district ................ Uranium possibilities- ........... Pairhaven and |
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| 75 )'1.1)+%#. 5748'; #PEJQTCIG #NCUMC Alaska Resource Data File Wiseman quadrangle Descriptions...mines, prospects and mineral occurrences throughout Alaska. o o o o o o o o Distribution of mineral...occurrences in the Wiseman 1:250,000-scale quadrangle, Alaska This and related reports are accessible through...the U.S. Government. OPEN-FILE REPORT 03-447 Alaska Resource Data File WI001 Site name(s): Unnamed...Grybeck, 1977; Bliss and others, 1988. Page 2 Alaska Resource Data File WI001 Primary reference: Brosge |
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| GEOLOGICAL SURVEY 5 PLACER DEPOSIT MAP OF CENTRAL ALASKA /) Compiled by Edward H. Cobb Open-file report...Survey standards rs Placer deposit map of central Alaska Compiled by Edward H. Cobb Introduction This map...depicts the location of placer deposits in central Alaska and uses contrasting symbols to show three categories...incomplete, and in many instances were stated for entire mining districts or even larger statistical units. The...discussion with colleagues familiar with specific mining camps. Most of the inaccuracies in assigning deposits |
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| D. WALCOTT, DIRECTOR GEOGRAPHIC DICTIONARY OF ALASKA BY MARCUS BAKER SEC03ST3D EIDITIOIT PKEPAHE...established; old mining fields have been developed and new ones discovered and prospected; mining camps of that...PEEFACE. the same as names met at every turn in the mining regions of the West. The first edition of this-...Survey. CHARLES S. SLOANE, Secretary, Bureau of the Census. Maj. WILLIAM D. BEACH, General Staff, War Department...years ago determined to prepare a dictionary of Alaska geographic names and appointed a committee which |
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| SURVEY KNOWN MINERAL DEPOSITS OF THE BROOKS RANGE, ALASKA By Donald Grybeck Open-file report 77-166C 1977...BROOKS RANGE, ALASKA by Donald Grybeck This report, one of a series under the Regional Alaska Mineral Resource...mineral deposits of the Brooks Range. The Regional Alaska Mineral Resource Assessment Program is directed...the land selected under section 17 (d)(2) of the Alaska Native Claims Settlement Act. Brooks Range Because...bias. Hydrocarbons are unlikely in most of the area with the exception of the Arctic National Wildlife |
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| occurrences in the Wiseman 1° by 3° Quadrangle, Alaska by James D. Bliss*, William P. Brosge , John... U.S. Geological Survey, Menlo Park, CA. 2. Alaska Division of Mines and Geology, Fairbanks, AK. ...been predominantly from gold placers; antimony and probably some associated gold has been won from lodes...divided into two parts; the first part addresses gold placers and the second metallic mineral and barite...occurrences. Stream basins or other areas containing gold placers are outlined on plate 1 and identified alphabetically |
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| lode gold, placer gold, and heavy-mineral concentrates from the Koyukuk-Chandalar mining district, Alaska...Localities of samples from the Koyukuk-Chandalar mining district, Alaska.................................of determination for spectrographic analysis of gold...................................................Table 3. Signatures of lode gold from the Koyukuk-Chandalar mining district, Settles, Chandalar, and Wiseman...quadrangles, Alaska........ 7 Table 4. Signatures of placer gold from the Koyukuk-Chandalar mining district |
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| CHANNEL EROSION SURVEYS ALONG THE TAPS ROUTE, ALASKA 1977 by Robert M. Loeffler and Joseph M. Childers...OPEN-FILE REPORT 78-611 (Basic Data) Anchorage, Alaska 1977 UNITED STATES DEPARTMENT OF THE INTERIOR...Division 218 E Street, Skyline Building Anchorage, Alaska 99501 1977 CONTENTS Page Conversion factors...of channel erosion survey sites along the trans-Alaska pipeline........... 4 Site 1.--Sagavanirktok River...--Middle Fork Koyukuk River at Hammond River 10. 11. Aerial photograph of Middle Fork Koyukuk River at Hammond |
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| Department of Energy As mandated by Section 1011 of the Alaska National Interest Lands Conservation Act, Public...Department of Energy As mandated by Section 1011 of the Alaska National Interest Lands Conservation Act, Public...activity in precious metals •••••••.•••••••• Placer mining for precious metals..............................for lease, Arctic National Wildlife Refuge study area, proposed gas-line route, and public land units.......................... 6. Status of Level III Alaska Mineral Resources Assessment Progrmn studies, January |
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| of Metallic and Nonmetallic Mineral Deposits of Alaska Compiled From Published Reports of Federal and...of metallic and nonmetallic mineral deposits of Alaska, compiled from published reports of Federal and...resources Indexes. 2. Mines' and mineral resources Alaska. I. Kachadoorian, Reuben, 1921-, rjoint author...quadrangle_________________________-_________________ Fort Yukon quadrangle______________________________________...investigations__________________---_-_----____-__ Territory of Alaska Department of Mines pamphlets____________--_ 360 |
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| SMITH, Director Bulletin 662 MINERAL RESOURCES OF ALASKA REPORT ON PROGRESS OF INVESTIGATIONS IN 1916 ..... The Alaskan mining industry in 1916, by A. H. Brooks...................... Mining developments in...in the Ketchikan and Wrangell mining districts, by Theodore Chapin....................................... Lode mining in the Juneau gold belt, by H. M. Eakin....................... Gold placer mining in the...Porcupine district, by H. M. Eakin................ Water-power investigations in southeastern Alaska, by G |
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| GEOLOGY APPLIED TO MINING ^IIIIIIIIIINIIHIIIIIINIIUMIIIIIIIIHMIIIIIMimilllllllHIIIIIMIIMIIIIII... American Machinist v Ingenieria Engineering 8 Mining Journal Internacional ...Electrical Merchandising GEOLOGY APPLIED TO MINING SUMMARY OF THE CHIEF GEOLOGICAL KNOWLEDGE OF WHICH...PRINCIPLES, A EXPLOITATION OF ORE DEPOSITS FOR MINING MEN AND STUDENTS BY JOSIAH EDWARD SPURR, A...Geological Institute of Mining Academy of Sciences, etc. States Geological Surrry ; Mining Kniiineer to the |
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| listing reports_________________ Explanation of area and subject index_.______ Acknowledgments .. __...Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Colorado Mining Association publications . Economic Geology. _ . _ ___... Engineering and Mining Journal...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...___________________ Author index ___._____________________ Area and subject index__________________ 95 95 103 |
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| GOLD LODES AND PLACERS OF TBE WILLOW CREEK DISTRICT. By S. R. CAPPS. . INTRODUCTION. The term Willow...Willow Creek district is commonly used to designate a rather indefinite area. in the southwestern portion...which drains most of the western por tion of the area, but also to all the mountainous portion of the...sense that the term is used int.his report. The area considered lies between. latitude 61° 40' a.nd 61°...l inch. This map and a geologic map of the same area are now in preparation and will be published later |
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| SELECTED CRITICAL AND STRATEGIC MINERAL COMMODITIES IN ALASKA Compiled by Edward H. Cobb and Dennis R. St. Aubin...the series. Abbreviations used are: AOF, State of Alaska Division of Geological and Geophysical Surveys...1978 (BMOF 66-78), p. 9, 11, 14 (loc. 9) [Cr] Gold Bench: Cobb, 1978b (OF 78-94), p. 10-11 [Hg, Sn] Eightmile...Cobb, 1981c (OF 81-364A), p. A3-A4 [Sn] Lost River area: Idem, p. A14-A15 [Mn, Sn] Rapid River: Idem, p...River: Cobb, 1981c (OF 81-364A), p. A4 [Hg, Pt] Gold Run: Idem, p. A10-A11 [Hg, Pt] Cub Bear: Cobb, 1978a |
